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Primary retinal degeneration: evidence of normal phagocytosis in the retinal pigment epithelium






Investigative Ophthalmology & Visual Science 15(9): 757-760

Primary retinal degeneration: evidence of normal phagocytosis in the retinal pigment epithelium

In rats with primary retinal degeneration, lens extraction combined with total retinal detachment provided a model for injection of a tracer of colloidal carbon into the subretinal space. Electron microscopy and acid phosphatase cytochemistry were subsequently used to analyze the ingestion of tracer by the retinal pigment epithelium. It was found that the attachment, ingestion, and digestion phases of the phagocytic process were apparently preserved. From this evidence it is suggested that there is no lack of phagocytic power in the retinal pigment epithelium of affected rat strains.

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Accession: 006184486

PMID: 961717



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